What stops gravity from pulling water to the center of the earth

The natural abundances of elements in the human body, expressed as percent by mass, are: oxygen (O),65 percent; carbon (C), 18 percent; hydrogen (H), 10 percent; nitrogen (N), 3 percent; calcium (Ca), 1.6 percent; phosphorus (P), 1.

Critique you overhear someone say, I'm going to nuke it when referring to cooking food in a microwave oven. Explain why this terminology is in correct.

A skin cell divides to make a new skin cell. Which component of cell theory does this best illustrate?

How are electrons excited in element?

Does the darkling beetle have an internal skeleton or an exoskeleton

A 1.3 g sample of gold (specific heat capacity = 0.130 J/g °C) is heated using 86.9 J of energy. If the original temperature of the gold is 25.0°C, what is its final temperature?

In what applications might coal replace petroleum based fuel

How many molecules are in 7.5 mol of h2o

An electron moved from a lower energy level to a higher energy level. What most likely happened during the transition? A random amount of light was released. A fixed amount of energy was absorbed. A fixed amount of energy was released.

Solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. How many molecules of hydrogen gas are formed when 57.1 grams of sodium are added to water?